# HydrochemicalFacies

> Dominant cation and anion (> 50 meq %), else mixed.

> **HydrochemicalFacies** = `object`

Dominant cation and anion (> 50 meq %), else `mixed`.

## Properties

### anion

> **anion**: `"bicarbonate"` \| `"chloride"` \| `"sulfate"` \| `"mixed"`

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### cation

> **cation**: `"calcium"` \| `"magnesium"` \| `"sodium_potassium"` \| `"mixed"`